BTO create and publish a variety of important articles, papers, journals and other publications, independently and with our partners, for organisations, government and the private sector. Some of our publications (books, guides and atlases) are also available to buy in our online shop.
Annual report of the Seabird Monitoring Programme
Seabird Population Trends and Causes of Change: 1986–2023
This report presents the latest seabird population trends in breeding abundance and productivity using data from the Seabird Monitoring Programme (SMP).
The report documents changes in the abundance and productivity of breeding seabird species in Britain and Ireland from 1986 to 2023, and provides a detailed account of the 2021, 2022 and 2023 breeding seasons.

Search settings
BirdTrends 2012
Author: Baillie, S.R., Marchant, J.H., Leech, D.I., Massimino, D., Eglington, S.M., Johnston, A., Noble, D.G., Barimore, C., Kew, A., Downie, I.S., Risely, K. & Robinson, R.A.
Published: 2013
The BirdTrends 2020 report is a one-stop shop for authoritative information about the population status of the common breeding birds of the wider UK countryside. The report is based on data gathered by the many thousands of volunteers who contribute to BTO-led surveys.
01.01.13
Reports BirdTrends

The Breeding Bird Survey 2012
Author: Risely, K., Massimino, D., Newson, S.E., Eaton, M.A., Musgrove, A.J., Noble, D.G., Procter, D. & Baillie, S.R.
Published: 2013
01.01.13
Reports BBS Report

Does food supplementation really enhance productivity of breeding birds?
Author: Harrison, T.J.E, Smith, J.A., Martin, G.R., Chamberlain, D.E., Bearhop, S., Robb, G.N. & Reynolds, S.J.
Published: 2013
01.01.13
Papers
Population estimates on birds in Great Britain and the United Kingdom
Author: Musgrove, A.J., Aebischer, N.J., Eaton, M.A., Hearn, R.D., Newson, S.E., Noble, D.G., Parsons, M., Risely, K. & Stroud, D.A.
Published: 2013
Population estimates of birds have a wide range of practical conservation uses, as well as being of enduring interest to many birdwatchers. Following previous reports by the Avian Population Estimates Panel (APEP), in 1997 and 2006, we present the third collation of population estimates of birds in Great Britain and the United Kingdom.
01.01.13
Papers